FR2118946A1 - - Google Patents

Info

Publication number
FR2118946A1
FR2118946A1 FR7145713A FR7145713A FR2118946A1 FR 2118946 A1 FR2118946 A1 FR 2118946A1 FR 7145713 A FR7145713 A FR 7145713A FR 7145713 A FR7145713 A FR 7145713A FR 2118946 A1 FR2118946 A1 FR 2118946A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7145713A
Other languages
French (fr)
Other versions
FR2118946B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ENIG ENGINEERING Ltd
Original Assignee
ENIG ENGINEERING Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ENIG ENGINEERING Ltd filed Critical ENIG ENGINEERING Ltd
Publication of FR2118946A1 publication Critical patent/FR2118946A1/fr
Application granted granted Critical
Publication of FR2118946B1 publication Critical patent/FR2118946B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
    • B61L23/16—Track circuits specially adapted for section blocking
    • B61L23/166—Track circuits specially adapted for section blocking using alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
FR7145713A 1970-12-21 1971-12-20 Expired FR2118946B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6062670 1970-12-21

Publications (2)

Publication Number Publication Date
FR2118946A1 true FR2118946A1 (en) 1972-08-04
FR2118946B1 FR2118946B1 (en) 1977-01-28

Family

ID=10485834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7145713A Expired FR2118946B1 (en) 1970-12-21 1971-12-20

Country Status (4)

Country Link
AU (1) AU465109B2 (en)
FR (1) FR2118946B1 (en)
GB (1) GB1349651A (en)
ZA (1) ZA718433B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539372A1 (en) * 1983-01-13 1984-07-20 Alsthom Atlantique MODULATION SYSTEMS FOR RAILWAY CIRCUITS
EP0030207B1 (en) * 1979-11-28 1985-04-17 Licentia Patent-Verwaltungs-GmbH Failsafe clear-track signalling device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2400222B (en) * 2003-04-01 2005-11-30 Trevor Edwin Clegg Railway train detection system
WO2008052643A2 (en) * 2006-10-30 2008-05-08 Siemens Schweiz Ag Method and device for evaluation of measurement data in railway track circuits

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030207B1 (en) * 1979-11-28 1985-04-17 Licentia Patent-Verwaltungs-GmbH Failsafe clear-track signalling device
FR2539372A1 (en) * 1983-01-13 1984-07-20 Alsthom Atlantique MODULATION SYSTEMS FOR RAILWAY CIRCUITS
EP0116293A1 (en) * 1983-01-13 1984-08-22 Alsthom Modulation system for railway circuits

Also Published As

Publication number Publication date
ZA718433B (en) 1972-09-27
FR2118946B1 (en) 1977-01-28
GB1349651A (en) 1974-04-10
AU465109B2 (en) 1975-09-18
AU3703671A (en) 1973-06-21

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Legal Events

Date Code Title Description
ST Notification of lapse